/* 공통 스타일. 모든 도구 페이지가 이 파일을 불러옵니다. */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1b1a17;
  --muted: #6e6a62;
  --border: #e3e0d9;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --danger: #b91c1c;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131210;
    --surface: #1d1b18;
    --text: #ebe7df;
    --muted: #9b958a;
    --border: #2d2a25;
    --accent: #f08a4b;
    --accent-ink: #1b1a17;
    --danger: #f87171;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", Pretendard, "Malgun Gothic", "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  -webkit-tap-highlight-color: transparent;
}

.top, main { max-width: 720px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.top { padding-top: 24px; padding-bottom: 8px; display: flex; flex-direction: column; gap: 4px; }
.top h1 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }
.sub { margin: 0; color: var(--muted); font-size: 14px; }
.back {
  align-self: flex-start; display: inline-flex; align-items: center; min-height: 44px;
  margin-top: -8px; color: var(--muted); text-decoration: none; font-size: 14px;
}
.back:hover { color: var(--text); }
main { padding-top: 12px; padding-bottom: 40px; }

/* 허브 그리드 */
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.card {
  display: flex; gap: 12px; align-items: center; min-height: 72px; padding: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: inherit; text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease;
}
.card:hover { border-color: var(--accent); }
.card:active { transform: scale(0.985); }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.card-icon { flex: none; width: 40px; height: 40px; display: grid; place-items: center; font-size: 26px; }
.card-body { display: flex; flex-direction: column; min-width: 0; }
.card-name { font-weight: 600; }
.card-desc { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.empty { color: var(--muted); text-align: center; padding: 32px 0; }
.hint-box {
  margin: 24px 0 0; padding: 12px 14px; font-size: 14px; color: var(--muted);
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
}

/* 폼 요소 */
.label { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.label .hint { color: var(--muted); font-weight: 400; }
.input, .textarea, .select, .search {
  width: 100%; min-height: 44px; padding: 10px 14px;
  font: inherit; color: inherit; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px;
}
.search { margin-bottom: 16px; }
.textarea { resize: vertical; line-height: 1.6; }
:is(.input, .textarea, .select, .search):focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.btn {
  min-height: 44px; padding: 0 16px; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 12px;
  transition: border-color 150ms ease;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn-danger { color: var(--danger); }
.status { margin: 8px 0 0; min-height: 20px; font-size: 13px; color: var(--muted); }

.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); border: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* 패널 / 숫자 / 목록 (도구 페이지 공통) */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.panel h2 { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin: 0 0 12px; font-size: 16px; }
.panel .empty { padding: 12px 0; margin: 0; }
details.panel > summary { display: flex; justify-content: space-between; align-items: center; min-height: 28px; font-weight: 600; cursor: pointer; list-style: none; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::after { content: "▾"; color: var(--muted); transition: transform 150ms ease; }
details.panel[open] > summary::after { transform: rotate(180deg); }
details.panel[open] > summary { margin-bottom: 14px; }
.eyebrow { margin: 0; font-size: 13px; color: var(--muted); }
.big { margin: 4px 0 0; font-size: 40px; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.big.over, .amount.over { color: var(--danger); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 16px 0 0; }
.stats div { min-width: 0; }
.stats dt { font-size: 12px; color: var(--muted); }
.stats dd { margin: 2px 0 0; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.help { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.inline { display: flex; gap: 8px; align-items: center; }
.inline > .input, .inline > .select { flex: 1 1 0; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.check { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 14px; white-space: nowrap; }
.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 6px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }
.list .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list .amount { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.btn-sm { min-height: 36px; padding: 0 10px; font-size: 13px; font-weight: 500; }
.notice { margin: 0 0 12px; padding: 12px 14px; font-size: 14px; border: 1px solid var(--accent); border-radius: 12px; background: var(--surface); }
.day h3 { display: flex; justify-content: space-between; margin: 12px 0 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
.day:first-child h3 { margin-top: 0; }
.group-title { margin: 20px 0 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.group:first-child .group-title { margin-top: 0; }
.stats dd.over { color: var(--danger); }
.list li.editing { align-items: stretch; padding: 10px 0; }
.edit-form { flex: 1; min-width: 0; }
.list + .list, form + .list { margin-top: 10px; }
.list li.record { flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 0; }
.record-top { display: flex; align-items: center; gap: 10px; }
.record-sub { font-size: 13px; color: var(--muted); }